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Bug 1687688 (CVE-2019-9704)

Summary:	CVE-2019-9704 vixie-cron: calloc return value resulting in remote dos
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	mplch, tmraz
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	cron 3.0pl1-133, cronie 1.5.3	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-04-22 04:32:22 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1699088, 1699089
Bug Blocks:

Description Dhananjay Arunesh 2019-03-12 07:20:54 UTC

Vixie Cron before the 3.0pl1-133 Debian package allows local users to cause a denial of service (daemon crash) via a large crontab file because the calloc return value is not checked.

Upstream commit:
https://salsa.debian.org/debian/cron/commit/f2525567

Comment 1 Tomas Mraz 2019-03-15 13:54:33 UTC

In cronie handled in cronie-1.5.3 release.

Comment 3 Scott Gayou 2019-04-10 18:53:57 UTC

Also fixed upstream in cronie here:
https://github.com/cronie-crond/cronie/commit/a6576769f01325303b11edc3e0cfb05ef382ce56

Comment 5 Scott Gayou 2019-04-17 18:15:56 UTC

Upstream Cronie fix is in release 1.5.3.

Comment 8 Product Security DevOps Team 2020-04-22 04:32:22 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2019-9704